prove it . . .
thanks
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2cos π/16
convert π/16 into °
5π/16= π/16×180/π
= 5°
put the value of cos 5° u will get the answers easily
convert π/16 into °
5π/16= π/16×180/π
= 5°
put the value of cos 5° u will get the answers easily
gauravrnps:
thanks but my exam was over today
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